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Anonymous users2024-01-23The national standard stipulates that doors and windows should be closed for more than 12 hours, and the formaldehyde concentration in the indoor air is higher than even if it exceeds the standard, your home is slightly exceeded, but if the sealing time is too long, the formaldehyde concentration will be high. In fact, the formaldehyde concentration in your home is lower than the measured value.
Based on practical experience, it is recommended that if there are no children in the room, pregnant women, it is possible to pay attention to ventilation.
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Anonymous users2024-01-22The normal is to turn off 8 12 hours and then test, more than the standard is exceeded.
After the bathroom is waterproofed, it needs to be thoroughly dried, so that it can do the closed water test, you can contact the residents downstairs in advance, so that the leakage can be informed in time to avoid unnecessary losses of the downstairs residents When doing the closed water test, the depth of water storage can not be less than 20 cm, and the time can not be less than 72 hours, and the water level does not fall is qualified.
There are two types of constipation, one is dry stool, and the other is more than 3-4 days to have a bowel movement. If the stool is not dry, going to the toilet once every 2 days, or 48 hours, is not constipation.
It's good to open it when it can be opened, because the window is closed, and the door is closed again, which is not conducive to air circulation, breathing will be poor, and it is easy to have nightmares.
It is recommended not to live in people, because when the weather is hot, your formaldehyde will definitely not be serious now, so it is recommended that you stay in addition to formaldehyde.
If it is a relatively humid weather, it is generally necessary to wait for the glass glue to dry thoroughly before it can be used, if it is a relatively dry and hot summer, like our south, it is now very dry and hot, and it can be used 24 hours. In wet weather, it usually takes more than 3 days. Therefore, it is wiser to install a toilet in the dry season.